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Mark Greenwald's departure comes just eight months before the next winter Olympics and while the organization is steeped in controversy.

An International Skating Union panel hears testimony Thursday over a sabotage case in which Simon Cho, a U.S. Olympic bronze medalist, says his former coach told him to tamper with an opponent's skate blade.

After admitting to tampering with a rival's skate blade, U.S. speedskater Simon Cho will boycott a hearing in Germany next week that could bring a lifetime ban, NPR has learned. Cho says his coach ordered him to tamper with the Canadian's skate in 2011.

New technology is changing the way cities are run, with cutting-edge urban innovations around the globe. Sprawling, chaotic Rio de Janeiro has built a state-of-the-art operations center as it gears up for two major events.

U.S. shot putter Adam Nelson has been awarded a gold medal from the 2004 Athens Olympics, after his rival at those games, Yuriy Bilonoh of Ukraine, was stripped of the victory last December for violating doping rules. International sporting officials formally made the change Thursday.

Rebellious athletes, drained budgets, dysfunctional management and a string of embarrassing scandals. Persistent turmoil at U.S. Speedskating threatened American success at the looming Winter Olympics in Sochi, Russia. So USS has undergone a major reorganization.

Host Rachel Martin speaks with NPR's Mike Pesca about wrestling. The Iran and U.S. teams were supposed to face off in Los Angeles, and the sport is battling to stay in the Olympics.

The giant 72-foot catamaran crewed by the Swedish Artemis Racing team capsized off San Francisco during a training sail on Thursday.

Some critics say that women's sports aren't treated the same as men's sports when it comes to coverage, marketing and advertising. Frank Deford has some thoughts about why that is, and how it can change.

Frank Deford's friend "the Sports Curmudgeon" reflects on some of the things that bother him about the sports world.